Celulosa Arauco y Constitución

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Celulosa Arauco y Constitución S.A.
joint stock company
Founded 1979
Headquarters Santiago, Chile
Key people
Anacleto Angelini
Julio Ponce
Products woodpulp
engineered wood products
Number of employees
13227 direct employees+ 27000 contract workers
Parent Copec
Slogan N/A
Website www.arauco.cl

Celulosa Arauco y Constitución (also called CELCO or ARAUCO) is a Chilean wood pulp, engineered wood and forestry company controlled by Anacleto Angelini's economic group; Empresas Copec. As of 2006, CELCO/ARAUCO has five pulp mills in Chile and one in Argentina. Apart from pulp mills CELCO/ARAUCO has 4 engineered wood manufacturing plants in Chile, 2 in Argentina and 2 in Brazil.

The company was founded in September 1979 as result of the fusion of Celulosa Arauco S.A. (1967) and Celulosa Constitución S.A. (1969), both companies had been privatized during the Pinochet Era from CORFO in 1977 and 1979 respectively.


In May 2009 Arauco and the Finnish company Stora Enso announced a € 253 million deal that would make their joint venture the largest landowner in Uruguay.[1]

In September 2009, Arauco purchased the Brazilian panel company Tafisa Brasil for a deal worth US$227m.[2]

Pollution controversies[edit]


Main article: Valdivia Pulp Mill

Beginning in 2004, and just months after the opening of CELCO's Valdivia plant, thousands of Black-necked Swans in the internationally protected RAMSAR site and national reserve Carlos Anwandter in Chile died or migrated. The Valdivia pulp mill, located upriver, was widely blamed. The mill is located near the city of Mariquina and discharges directly into the Cruces River which feeds the wetlands. The company had been dumping more dioxins and heavy metals than had been approved by the regulating agencies into the river from a wastetube that had been approved by the authorities. It had also been producing far above levels approved in its Environmental Impact Assessment, and was cited for multiple violations of environmental and health laws.[3] The scandal prompted Celco's chief executive to resign in June 2005 and the company to pledge to adopt cleaner technologies. The plant was temporarily closed by authorities but then allowed to reopen two months later at limited production capacity. Several legal actions were finally settled in the company's favor at the Chilean Supreme Court. However, it later was revealed that this decision was based on a report that CELCO had itself produced and falsely claimed was authored by the University of Concepcion. This caused Chile's president Ricardo Lagos to declare that the company had gone too far and was harming the country's image.[4]

A report contracted by the Chilean government to the regional university (Universidad Austral de Chile) found that the company's pollution was responsible for rapid ecological change in the wetlands leading to the decline of populations of swans and other water birds.[5] This finding was reviewed and validated by other independent entities including an international commission organized by the World Wildlife Fund (WWF).[6] However, scientists at the Pontifical Catholic University funded by CELCO have disputed the causality between the plant's pollution and the swan population decline. In July 2007 CELCO agreed to pay Ch$614 millions Chilean Pesos to Valdivian tourism companies to avoid legal actions for supposed loses of the tourism sector of Valdivia due to contamination of Carlos Anwandter Nature Sanctuary. In a document signed the tourism companies CELCO was exempted from all responsibility involving the contamination of Cruces River. CELCO also promised to pay ch$2 million monthly each of the coming 3 years to promote tourism.[7] The legal dispute over CELCO's responsibility in the loss of water birds from the RAMSAR site is ongoing, and in particular Chile's equivalent of an Attorney General's office is suing the company to compensate for the environmental harm done. As of 2012 the black-necked swan population has still not recovered beyond a few hundred individuals, down from its estimated population of 7,000 individuals before the crisis.


In December 1999, the pulp mill Licancel (located in the coast of Curicó, Maule Region) is accused of causing the death of dozens of fish due to the dumping of wastewater into Mataquito River.[8] In June 2007, Licancel once again caused the death of fish in the river. The sanitary authorities ordered a temporary closure of the plant for 30 days and CELCO fired three executives. Two weeks later, 200,000 liters (44,000 imp gal; 53,000 US gal) of industrial wastewater escaped from a broken pipeline, of which 50,000 reached the river. CELCO suppose it is an accidental roture and choose to paralyse the plant.[9]


  1. ^ Sami Rainisto (18 May 2009). "Stora Enso nousee Uruguayn maaherraksi". Talouselämä (in Finnish) (Talentum). Retrieved 2009-05-18. 
  2. ^ "Arauco buys Tafisa Brasil". WBPIOnline. 1 September 2009. Retrieved 2009-09-01. 
  3. ^ MA&C Consultores (October, 2004) “Apoyo al Seguimiento Ambiental del proyecto Celulosa Planta Valdivia Celulosa Arauco y Constitución S.A.” Final Report, Versión 3, N°2.
  4. ^ El Mercurio, “Lagos acusa a CELCO de dañar la imagen del país”, 7 de junio 2005.
  5. ^ UACh (2005) "Estudio sobre origen de mortalidades y disminución poblacional de aves acuáticas en el Santuario de la Naturaleza Carlos Anwandter, en la provincia de Valdivia." Universidad Austral de Chile, April 2005.
  6. ^ WWF (2005) Findings and Recommendation Report: WWF International Assessment Mission for the Carlos Anwandter Nature Sanctuary and CELCO pulp mill controversy in Valdivia, Chile.
  7. ^ Economía y Negocios Online
  8. ^ Mortandad De Peces En El Rio Mataquito: Un Tema Pendiente
  9. ^ La Tercera - Ejecutivos reconocen ante comisión del Senado responsabilidad de Celco en contaminación

External links[edit]